Soyuz 20 - Spacecraft - cosmos.wikisort.org

cosmos.wikisort.org - Spacecraft

Soyuz 20 (Russian: Союз 20, Union 20) was an unmanned spacecraft launched by the Soviet Union. It was a long-duration test of the Soyuz spacecraft that docked with the Salyut 4 space station. Soyuz 20 performed comprehensive checking of improved on-board systems of the spacecraft under various flight conditions. It also carried a biological payload. Living organisms were exposed to three months in space.

Soyuz 20
Spacecraft properties

Mission type	Test flight
Operator	Soviet space program
COSPAR ID	1975-106A
SATCAT no.	08430
Mission duration	90 days 11 hours 47 minutes
Orbits completed	1470


Spacecraft	Soyuz 7K-T No.8
Spacecraft type	Soyuz 7K-T/A9
Manufacturer	NPO Energia
Launch mass	6570 kg [1]
Landing mass	2800 kg
Dimensions	7.13 m long 2.72 m wide


Start of mission
Launch date	17 November 1975, 14:36:37 UTC
Rocket	Soyuz-U
Launch site	Baikonur, Site 1/5[2]


End of mission
Landing date	16 February 1976, 02:24 UTC
Landing site	56 km at the southwest of Arkalyk, Kazakhstan


Orbital parameters
Reference system	Geocentric orbit[3]
Regime	Low Earth orbit
Perigee altitude	199.7 km
Apogee altitude	263.5 km
Inclination	51.6°
Period	88.8 minutes


Docking with Salyut 4

Soyuz programme ← Soyuz 19 Soyuz 21 →

Mission parameters

Mass: 6,570 kg (14,480 lb) [1]
Perigee: 199.7 km (124.1 mi)[3]
Apogee: 263.5 km (163.7 mi)
Inclination: 51.6°
Period: 88.8 minutes

Return

It was recovered on 16 February 1976 at 02:24 UTC.[1]

References

"Display: Soyuz 20 1975-106A". NASA. 14 May 2020. Retrieved 13 October 2020. This article incorporates text from this source, which is in the public domain.
"Baikonur LC1". Encyclopedia Astronautica. Archived from the original on 15 April 2009. Retrieved 4 March 2009.
"Trajectory: Soyuz 20 1975-106A". NASA. 14 May 2020. Retrieved 13 October 2020. This article incorporates text from this source, which is in the public domain.

Soyuz programme

List of Soyuz missions
List of Soviet human spaceflight missions
List of Russian human spaceflight missions

Main topics

Soyuz (rocket family)
Soyuz (spacecraft)
Baikonur Cosmodrome
- Site 1/5
- Site 31/6
Soyuz abort modes
Cosmonaut ranks and positions

Past missions
(by spacecraft type)

Soyuz 7K-OK (1966–1970)	Kosmos 133† Soyuz 7K-OK No.1† (uncrewed) Kosmos 140 Soyuz 1† Kosmos 186 188 212 213 238 Soyuz 2 (uncrewed) 3 4 5 6 7 8 9
Soyuz 7K-L1 (1967–1970) (Zond lunar programme)	Kosmos 146 154† Zond 1967A† 1967B† Zond 4 1968A† 1968B† 5 6 1969A† Zond-M 1† M 2† Zond 7 8 9 10
Soyuz 7K-L1E (1969–1970)	Soyuz 7K-L1E No.1† Kosmos 382
Soyuz 7K-LOK (1971–1972)	Soyuz 7K-LOK No.1† No.2†
Soyuz 7K-OKS (1971)	Soyuz 10† 11†
Soyuz 7K-T (1972–1981)	Kosmos 496 573 Soyuz 12 Kosmos 613 Soyuz 13 Kosmos 656 Soyuz 14 15† 17 18a† 18 20 (uncrewed) 21 23† 24 25† 26 27 28 29 30 31 32 (uncrewed landing) 33† 34 (uncrewed launch) 35 36 37 38 39 40
Soyuz 7K-TM (1974–1976)	Kosmos 638 672 Soyuz 16 19 (Apollo-Soyuz) 22
Soyuz 7K-S (1974–1976)	Kosmos 670 772† 869†
Soyuz-T (1978–1986)	Kosmos 1001† 1074 Soyuz T-1 (uncrewed) T-2 T-3 T-4 T-5 T-6 T-7 T-8† T-9 T-10a† T-10 T-11 T-12 T-13 T-14 T-15
Soyuz-TM (1986–2002)	Soyuz TM-1 (uncrewed) TM-2 TM-3 TM-4 TM-5 TM-6 TM-7 TM-8 TM-9 TM-10 TM-11 TM-12 TM-13 TM-14 TM-15 TM-16 TM-17 TM-18 TM-19 TM-20 TM-21 TM-22 TM-23 TM-24 TM-25 TM-26 TM-27 TM-28 TM-29 TM-30 TM-31 TM-32 TM-33 TM-34
Soyuz-TMA (2002–2012)	Soyuz TMA-1 TMA-2 TMA-3 TMA-4 TMA-5 TMA-6 TMA-7 TMA-8 TMA-9 TMA-10 TMA-11 TMA-12 TMA-13 TMA-14 TMA-15 TMA-16 TMA-17 TMA-18 TMA-19 TMA-20 TMA-21 TMA-22
Soyuz-TMA-M (2010–2016)	Soyuz TMA-01M TMA-02M TMA-03M TMA-04M TMA-05M TMA-06M TMA-07M TMA-08M TMA-09M TMA-10M TMA-11M TMA-12M TMA-13M TMA-14M TMA-15M TMA-16M TMA-17M TMA-18M TMA-19M TMA-20M
Soyuz MS (2016–present)	Soyuz MS-01 MS-02 MS-03 MS-04 MS-05 MS-06 MS-07 MS-08 MS-09 MS-10† MS-11 MS-12 MS-13 MS-14 (uncrewed test flight) MS-15 MS-16 MS-17 MS-18 MS-19 MS-20

Current missions

Soyuz MS-21

Future missions

2022
- Soyuz MS-22
2023
- Soyuz MS-23
- MS-24

Uncrewed missions are designated as Kosmos instead of Soyuz; exceptions are noted "(uncrewed)".
The † sign designates failed missions. Italics designates cancelled missions.

← 1974 · Orbital launches in 1975 · 1976 →

Payloads are separated by bullets ( · ), launches by pipes ( | ). Crewed flights are indicated in underline. Uncatalogued launch failures are listed in italics. Payloads deployed from other spacecraft are denoted in (brackets).

На других языках

- [en] Soyuz 20

[es] Soyuz 20

Soyuz 20 fue una misión de una nave Soyuz 7K-T modificada (Soyuz 7K-T/A9) lanzada el 17 de noviembre de 1975 sin tripular desde el cosmódromo de Baikonur.

[ru] Союз-20

«Союз-20» — беспилотный космический корабль серии «Союз», запущенный 17 ноября 1975 года в СССР.

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